<form method="post" action="/tableopr" id="form_tableopr">
    <select name="tablename"  id="form_tabname">
    {% for tablename in tmp_tabname %}
    <option value="{{tablename}}">{{tablename}}</option>
    {% endfor %}
    </select>
    <select name="operator" id="form_operator">
        <option value="select">select</option>
        <option value="clear">clear</option>
        <option value="insert">insert</option>
        <option value="update">update</option>
    </select>
    <input name="pagenum" id="form_pagenum" value="50"></input>
    <input type="submit" id="form_submit" value="submit" />
</form>
